Table 3 Indicators of the agreement between the calculated values of Eqs. 6 using 8 and the experimental densities reported in Tables S2S5 Numbers in italics correspond to model results using 296.15 K in calculations

From: Composition dependent density of ternary aqueous solutions of ionic surfactants and salts

Model used for binary salt system r2,a SSEa (kg m− 3) MSSEa (kg m− 3)
NaOct–NaCl (N= 26, this work). Temperature used in calculations: 299.15 K
Rogers and Pitzer (1982) 0.9988 0.9955 4.78 38.34 0.19 1.37
Archer (1992) 0.9985 0.9940 5.96 51.78 0.24 1.85
Rowe and Chou (1970) 0.9981 0.9941 7.44 50.53 0.30 1.81
NaDec–NaCl (N= 26, this work) Temperature used in calculations: 300.15 K
Rogers and Pitzer (1982) 0.9945 0.9507 3.69 33.30 0.15 1.33
Archer (1992) 0.9941 0.9398 3.95 40.61 0.16 1.62
Rowe and Chou (1970) 0.9918 0.9307 5.53 19.39 0.22 1.87
NaDod–NaCl (N= 40, this work) Temperature used in calculations: 302.15 K
Rogers and Pitzer (1982) 0.9290 0.3128 13.30 128.71 0.34 3.30
Archer (1992) 0.9276 0.2709 13.55 136.56 0.35 3.50
Rowe and Chou (1970) 0.6146 -0.3841 72.19 259.24 1.85 6.65
NaDS–NaCl (N= 78 Kushner et al. 1952) Temperature used in calculations: 296.15 K
Rogers and Pitzer (1982) 0.9957 0.66 0.009
Archer (1992) 0.9921 1.21 0.016
Rowe and Chou (1970) 0.9598 6.94 0.090
  1. a: r2, correlation coefficient; SSE, sum of squared errors; MSSE, mean of the squared of the errors